diff --git a/python/web/src/templates/upload.html b/python/web/src/templates/upload.html
index a2be4a5d..f62ac77f 100644
--- a/python/web/src/templates/upload.html
+++ b/python/web/src/templates/upload.html
@@ -35,7 +35,11 @@
     <label for="piscsi_config">{{ _("PiSCSI Config") }}</label>
 </form>
 
-<script type="application/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/dropzone/5.9.3/min/dropzone.min.js"></script>
+<script
+    type="application/javascript"
+    src="https://cdnjs.cloudflare.com/ajax/libs/dropzone/5.9.3/min/dropzone.min.js"
+    integrity="PwiT+fWTPpIySx6DrH1FKraKo+LvVpOClsjx0TSdMYTKi7BR1hR149f4VHLUUnfA"
+></script>
 
 <script type="application/javascript">
     Dropzone.options.dropper = {